Oil & Gas
| Tue 12 May 2026
Geneva, May 13 -- Petrochina Co Limited has sought patent for System and Method for Preparing Mesophase Asphalt. This invention was developed by Zhang Bo, E Yuheng, Wang Luhai, Liu Yindong, Cui Ruili, Pang Weiwei, Cao Yuting, Wang Litao, Yu Zhimin and Yang Hang.
The patent application number is WO2025CN116652 20250825. The pa..